Solution-Synthesized Extended Graphene Nanoribbons Deposited by High-Vacuum Electrospray Deposition

Scherb, Sebastian and Hinaut, Antoine and Yao, Xuelin and Götz, Alicia and Al-Hilfi, Samir H. and Wang, Xiao-Ye and Hu, Yunbin and Qiu, Zijie and Song, Yiming and Müllen, Klaus and Glatzel, Thilo and Narita, Akimitsu and Meyer, Ernst. (2023) Solution-Synthesized Extended Graphene Nanoribbons Deposited by High-Vacuum Electrospray Deposition. ACS Nano, 17 (1). pp. 597-605.

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Official URL: https://edoc.unibas.ch/94137/

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Solution-synthesized graphene nanoribbons (GNRs) facilitate various interesting structures and functionalities, like nonplanarity and thermolabile functional groups, that are not or not easily accessible by on-surface synthesis. Here, we show the successful high-vacuum electrospray deposition (HVESD) of well-elongated solution-synthesized GNRs on surfaces maintained in ultrahigh vacuum. We compare three distinct GNRs, a twisted nonplanar fjord-edged GNR, a methoxy-functionalized “cove”-type (or also called gulf) GNR, and a longer “cove”-type GNR both equipped with alkyl chains on Au(111). Nc-AFM measurements at room temperature with submolecular imaging combined with Raman spectroscopy allow us to characterize individual GNRs and confirm their chemical integrity. The fjord-GNR and methoxy-GNR are additionally deposited on nonmetallic HOPG and SiO2, and fjord-GNR is deposited on a KBr(001) surface, facilitating the study of GNRs on substrates, as of now not accessible by on-surface synthesis.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Nanomechanik (Meyer)
UniBasel Contributors:Hinaut, Antoine and Glatzel, Thilo and Meyer, Ernst
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Chemical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Apr 2023 12:54
Deposited On:03 Apr 2023 08:09

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